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Boris Stepanov

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Related publications (118)

Results of the TF conductor performance qualification samples for the ITER project

Pierluigi Bruzzone, Boris Stepanov, Kyungjin Kim

The performance of the toroidal field (TF) magnet conductors for the ITER machine are qualified by a short full-size sample (4 m) current sharing temperature (T-cs) test in the SULTAN facility at CRPP in Villigen, Switzerland, using the operating current o ...

Iop Publishing Ltd2012

Test Results of a 100 kA NbTi CICC

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov

For the secondary winding of the flux pump (superconducting transformer) of the EDIPO test facility at CRPP Villigen, a NbTi cable-in-conduit conductor (CICC) was designed at CRPP and procured at the industry. From a left section of the CICC a SULTAN sampl ...

Ieee-Inst Electrical Electronics Engineers Inc2012

Conductor Performance Qualification of TFKO3 Sample for ITER TF Magnet

Pierluigi Bruzzone, Boris Stepanov, Kyungjin Kim

Two identical conductor samples were fabricated from 110 m length cable prepared for qualification of the manufacturing process for Phase II procurement of ITER TF conductor. Superconducting strand characteristics, cabling specifications, and the stainless ...

IEEE-Inst Electrical Electronics Engineers Inc2012

The EDIPO Project: Status and Outlook

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov, Martin Vogel, Giancarlo Croari, Stephen Alfred March

The aim of this paper is to present an up to date review of the status of the European DIPOle (EDIPO) project-whose objective is to build a new facility to perform both DC and AC tests of large force flow superconductor samples in high magnetic background ...

IEEE-Inst Electrical Electronics Engineers Inc2012

Test Results and Investigation of Tcs Degradation in Japanese ITER CS Conductor Samples

Pierluigi Bruzzone, Boris Stepanov

Japan Atomic Energy Agency (JAEA) has fabricated and tested the four conductor samples composed of high performance strands manufactured by the bronze-route process for the ITER Central Solenoid (CS) conductor. The current sharing temperature (Tcs) electri ...

IEEE-Inst Electrical Electronics Engineers Inc2012

In situ Tc measurements of cable in conduit conductors via an inductive method

Pierluigi Bruzzone, Boris Stepanov, Ciro Calzolaio, Davide Uglietti

The measurement of the actual thermal strain, epsilon th, in a cable in conduit conductor (CICC) of Nb3Sn is of paramount importance to predict the CICC performance in operation starting from the strand scaling laws for the critical current density J(c)(B, ...

IEEE-Inst Electrical Electronics Engineers Inc2012

Statistical analysis of the current-sharing temperature evolution in Nb3Sn cable-in-conduit-conductors for ITER

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov, Davide Uglietti

During the test of ITER conductors at nominal conditions, a degradation of the current sharing temperature has been observed after electromagnetic cyclic loading. Rather than focusing on the microscopic phenomena at the origin of the degradation, the degra ...

IEEE-Inst Electrical Electronics Engineers Inc2012

Development of magnet technologies for HTS insert coils

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov, Stephen Alfred March, Davide Uglietti, Natalia Hanna Glowa

An existing Nb3Sn laboratory magnet generating a magnetic field of 12 T is intended to be upgraded to 16 T by means of the use of a high temperature superconductor (HTS) insert coil. An outline design of the HTS insert coil is presented. In the design, the ...

Elsevier Science Bv2012

Test Results of Three Poloidal Field Superconducting Samples in SULTAN

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov

Superconductors for the ITER Poloidal Field Coils are large cable-in-conduit conductors (CICC) made of NbTi strands encased in a round-in-square stainless steel jacket. Three prototype conductor sections for poloidal field coils PF1/6, PF2/3/4 and PF5 have ...

IEEE-Inst Electrical Electronics Engineers Inc2012

Test Result of a Full-Size Nb3Sn Conductor Developed for the ITER TF Coils

Pierluigi Bruzzone, Boris Stepanov

The Japan Atomic Energy Agency (JAEA) developed ITER TF Nb3Sn conductors that fulfill ITER requirements and has commenced fabricating the conductors to be used in the ITER TF coils. As a qualification of conductor fabrication, two full-size conductor sampl ...

IEEE Institute of Electrical and Electronics Engineers2011

Test of ITER conductors in SULTAN: an update

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov, Martin Vogel, Ciro Calzolaio

The ITER Toroidal Field (TF) conductor qualification phase has been carried out by testing short sample prototype conductors in the SULTAN test facility. This phase, started in 2007, has been substantially completed after minor adjustment of the conductor ...

2011

Status report of the EDIPO project

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov

2010

Reliability considerations of the ITER Poloidal Field Coils

Boris Stepanov

IEEE2010

Impact of Sample Preparation Procedure on the Test Results of four US ITER TF Conductors

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov

IEEE2010

Qualification of the U.S.-Made Conductors for ITER Toroidal Field (TF) Magnet System

Pierluigi Bruzzone, Boris Stepanov

IEEE Institute of Electrical and Electronics Engineers2010

The result of Russian ITER TF conductor sample test in SULTAN

Pierluigi Bruzzone, Boris Stepanov

IEEE2010

Status Report of the SULTAN Test Facility

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov, Manuel Holenstein, Martin Vogel, Markus Jenni

IEEE2010

Tests and Analyses of Two TF Conductor Prototypes for JT-60SA

Pierluigi Bruzzone, Boris Stepanov

In the framework of the JT-60SA project, included inside the Broader Approach agreement, EU is expected to provide to JA the totality of the toroidal field (TF) magnet system. It consists in 18 coils, evenly shared for in-kind procurement between France an ...

IEEE2010

Qualification tests for ITER TF conductors in SULTAN

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov

From February 2007 to May 2008, 18 short length conductor sections have been tested in SULTAN for design verification and manufacturer qualification of the ITER Toroidal Field (TF) conductor. The test program is focussed on the current sharing temperature, ...

Elsevier2009

Test results of a Nb3Sn cable-in-conduit conductor with variable pitch sequence

Rainer Wesche, Pierluigi Bruzzone, Boris Stepanov

IEEE2009

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